6888747485 has 8 divisors (see below), whose sum is σ = 8267945400. Its totient is φ = 5510032384.

The previous prime is 6888747479. The next prime is 6888747487. The reversal of 6888747485 is 5847478886.

It can be written as a sum of positive squares in 4 ways, for example, as 1028998084 + 5859749401 = 32078^2 + 76549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6888747485 - 2⁶ = 6888747421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6888747487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88532 + ... + 147021.

It is an arithmetic number, because the mean of its divisors is an integer number (1033493175).

Almost surely, 2^6888747485 is an apocalyptic number.

It is an amenable number.

6888747485 is a deficient number, since it is larger than the sum of its proper divisors (1379197915).

6888747485 is a wasteful number, since it uses less digits than its factorization.

6888747485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241407.

The product of its digits is 96337920, while the sum is 65.

The square root of 6888747485 is about 82998.4788113614. The cubic root of 6888747485 is about 1902.7428054819.

The spelling of 6888747485 in words is "six billion, eight hundred eighty-eight million, seven hundred forty-seven thousand, four hundred eighty-five".